Question about 2002 Nissan Sentra

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I have oil on my spark plugs but i am not burning oil

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Hi, oil on the spark plug will mean one of two problems the most likely cause is going to be valve stem oil seals, if these have gone then this means your going to need to take your cylinder head off to replace these parts, it means you need to have the head re-built, now the second problem could be the oil pick up ring on the pistons and if this is the case then this means an engine rebuild.

both of these will be expensive jobs and would require a lot of time to complete the job

the only way oil can get into the cylinder boar is by either bad valve seals or damaged piston rings their is nothing else that could cause this problem.

are you sure its oil and not just carbon built up on the plugs, if you are unsure then take the plugs out and just take them with you to your nearest garage and let them have a look, they wont charge for this and they should confirm what i have said if it is oil.

if its not oil then the chances are your car just needs a good service and tune up so if its not oil then this would be simple to solve as it will only require a service and tune up

Posted on Jun 06, 2010

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